It should be s simple answer about Hypothesis Testing!


I am trying to understand from seeing in sites, hear this site explains it good
Please have a look hear.
Somewhere it says: "The z-score that corresponds to .05 is -1.645" (you may press ctrl+F4 to find it quickly). How did he find that z of 0.05 is -1.654 in the table of z-scores I, I can not find a number that is bigger than 0.99.

Please somebody help me, thanks everyone in advance!!